CN209699495U - A kind of prestressed stretch-draw platform - Google Patents
A kind of prestressed stretch-draw platform Download PDFInfo
- Publication number
- CN209699495U CN209699495U CN201821797965.8U CN201821797965U CN209699495U CN 209699495 U CN209699495 U CN 209699495U CN 201821797965 U CN201821797965 U CN 201821797965U CN 209699495 U CN209699495 U CN 209699495U
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- CN
- China
- Prior art keywords
- stretch
- draw
- steel stand
- supporting beam
- coaster
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of prestressed stretch-draw platforms, including the stretch-draw jack for steel strand tension, bottle gouard moved by hands, supporting beam, steel stand, and coaster, wherein, the steel stand is located at the stretch-draw jack front end, and the steel stand can be moved all around, described supporting beam one end is flexibly connected with the steel stand, the other end of the supporting beam is supported on hollow slab girder, wherein, the bottle gouard moved by hands upper end is connected to the coaster, the coaster is slidably mounted in the supporting beam, for adjusting the position of the bottle gouard moved by hands and stretch-draw jack.The tensioning platform of the utility model enables steel strand tension stretch-draw jack to move freely in the horizontal and vertical directions, and construction efficiency greatly improved, and saves labour, shortens the construction period, saves manufacturing cost, there is very high economic value.
Description
Technical field
The utility model relates to a kind of prestressed stretch-draw platforms, are applied to the cross such as hollow slab girder, precast beam, T beam, box beam
The prestressed stretch-draw of steel strand rope in beam.
Background technique
More road and bridge are generally comprised in road network construction project, include a large amount of hollow slab girder, in post-tensioning in these road and bridge
In method prefabricated concrete hollow slab girder work progress, pre-stress construction is one of critical process, is needed to reaching strong after pouring
Degree, age play the plate-girder progress stretching construction that mould requires, this requires the stretch-draw jack of steel strand tension is sling, and
It needs constantly to change tensioning position in stretching process, needs to convert stretch-draw jack position in time, due to plate-girder volume, weight ten
Point huge, the stretch-draw jack currently used for tensioning is very heavy not easily shifted.
In the prior art for lifting by crane the usual shears (as shown in Figure 1) of stretch-draw jack, though shears
Biggish support force can be so obtained, but position adjustment is highly difficult, it has not been convenient to worker's construction operation.
Utility model content
The purpose of this utility model is to provide a kind of prestressed stretch-draw platforms, to solve existing stretch-draw jack steel strand wires
The problem of stretching construction inconvenience.
The utility model proposes a kind of prestressed stretch-draw platform, comprising: stretch-draw jack, hand for steel strand tension
Dynamic cucurbit, supporting beam, steel stand and coaster, the steel stand are located at the stretch-draw jack front end, and the steel stand energy
Enough all around to move, described supporting beam one end is flexibly connected with the steel stand, and the other end of the supporting beam is supported on sky
On core beam, wherein the bottle gouard moved by hands upper end is connected to the coaster, and the coaster is slidably mounted in the supporting beam,
For adjusting the position of the bottle gouard moved by hands and stretch-draw jack.
Further, tensioning workbench is installed in the middle part of the steel stand.
Further, the steel stand further includes multiple universal wheels, wherein it is vertical that multiple universal wheels are mounted on the steel
The bottom of frame.
Further, the supporting beam includes herringbone and pulley rail, wherein the herringbone with it is described
Pulley rail is arranged in " 7 " font, and the herringbone is fixedly connected between the two with the pulley rail.
Compared with prior art, the utility model has the beneficial effects that
1, the tensioning platform of the utility model is further designed by improvement, optimization to original construction stretching platform
The straining platform come has from heavy and light, and conveniently moving, security protection is good, can adapt to different construction conditions, greatly improves
Construction efficiency saves labour, shortens the construction period, saves manufacturing cost, there is a very high economic value.
2, the tensioning platform of the utility model, light structure facilitate and sling stretch-draw jack, and stretch-draw jack can
It moves freely in the horizontal and vertical directions, facilitates worker's construction operation.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the prestressed stretch-draw platform of the prior art；
Fig. 2 is according to the structural schematic diagram in the prestressed stretch-draw platform of the utility model；And
Fig. 3 is according to the left view in the prestressed stretch-draw platform of the utility model.
Description of symbols
1, stretch-draw jack；2, bottle gouard moved by hands；
3, shears；4, supporting beam；
5, steel stand；6, coaster；
41, herringbone；42, pulley rail；
51, cant beam is supported；52, crossbeam；
53, tensioning workbench；54, universal wheel；
100, hollow slab girder.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig. 2-3, in one embodiment, the prestressed stretch-draw platform of the utility model, including stretch-draw jack 1, hand
Dynamic cucurbit 2, supporting beam 4, steel stand 5, coaster 6.
Specifically, as shown in Figure 2 and Figure 3, stretch-draw jack 1 is arranged in 100 front end of hollow slab girder, covers in hollow slab girder 100
On steel strand wires on, be used for tension steel strand；Bottle gouard moved by hands 2 is located at 1 top of stretch-draw jack, and bottle gouard moved by hands 2 passes through wirerope
Stretch-draw jack 1 is hung in the air, bottle gouard moved by hands 2 is connected to the lower end of coaster 6 by wirerope.
The supporting beam 4 includes herringbone 41 and pulley rail 42, wherein the herringbone 41 and the cunning
Track road 42 is arranged in " 7 " font, and is fixedly connected by welding between the two, and pulley rail 42 is arranged on bottle gouard moved by hands 2
Side, and the central axis of the axis of pulley rail 42 and stretch-draw jack 1, close to parastate, the pulley rail 42 is coaster
6 provide moveable tracks, and herringbone 41 is supported on the upper end of hollow slab girder 100, for raise pulley rail 42 from
Ground distance expands the distance between pulley rail 42 and stretch-draw jack 1, and sufficient installation space is provided for bottle gouard moved by hands 2.
The steel stand 5 is located at 1 front end of stretch-draw jack, and separate 41 one end of the herringbone installation of pulley rail 42 is put
It sets in steel stand 5, for being supported to supporting beam 4, the bottom of steel stand is equipped with universal wheel 54, can facilitate for steel stand 5
Front and rear, left and right Mobile steel stand 5 adjusts the position of pulley rail 42, and then adjusts the position of stretch-draw jack 1, with realization pair
Steel strand wires on hollow slab girder 100 carry out tensioning.
In one embodiment, as shown in Figure 2 and Figure 3, the steel stand 5 includes tensioning workbench 53, crossbeam 52 and four branch
Cant beam 51 is supportted, described support cant beam 51 two are one group, are equipped with two groups altogether, are arranged in herringbone, wherein support described in one group is oblique
The upper end of beam 51 is fixedly connected with one end of the crossbeam 52, and the upper end of cant beam 51 and the crossbeam 52 are supported described in another group
The other end is fixedly connected, and the lower end of the support cant beam 51 is fixedly connected with the tensioning workbench 53.Wherein, in steel stand
Portion is equipped with tensioning workbench so as to construction when tensioning duct position is higher.
The usage mode of the tensioning platform of the utility model is as follows:
Steel stand 5 is moved to 100 front end suitable position of hollow slab girder first, then by the herringbone branch of 4 one end of supporting beam
Frame 41 is supported on the upper end of hollow slab girder 100, and the other end is connected to 5 top of steel stand, then passes through movable block 6 for manual calabash
Reed 2 is moved to right above stretch-draw jack 1, and pinions stretch-draw jack 1 by wirerope, subsequently vertical by continuous Mobile steel
Frame 5 and coaster 6 adjust the position of bottle gouard moved by hands 2, and stretch-draw jack 1 is lifted, and it is suitable to be located at 100 front end of hollow slab girder
Position reaches corresponding function for the steel strand wires inside tensioning hollow slab girder 100.
The position of the tensioning platform adjustment stretch-draw jack of the utility model is very convenient, can substantially increase construction effect
Rate saves labour, shortens the construction period.
Construction embodiment
Certain southern city area, county fourth phase road network science of bridge building includes four road and bridge, these road and bridge totally 397 hollow slab girders, every beam
There are 4 hole steel strand wires to need tensioning.
Before tensioning pad optimization, the tensioning time, all consumption used lifting on loading and unloading bulky stretch-draw jack substantially
Tripod at least needs the good and sound tensioning bracket of labour's 3 talent energy only to need one after the tensioning platform of the utility model
People can be easily accomplished dress and hang, and a piece of Liangping is saved 2 hours, and stablize safety.
Before tensioning pad optimization:
A piece of girder tensioning time 4h；It is 4*397=1588h that 397 girder tensionings, which need the time,；397 beams, which consume, is manually
595.5 working hours, the i.e. hole 397*4 * 3 person-times/8h=595.5 working hour.
After tensioning pad optimization:
A piece of girder tensioning time 2h；It is 2*397=794h that 397 girder tensionings, which need the time,；397 beams, which consume, is manually
198.5 working hours, i.e. 397*2*2/8=198.5 working hour；
Comparison before and after tensioning pad optimization:
It is artificial to save: 595.5-198.5=397 work day；The tensioning time is saved: 1588-794=794h.
By being compared above it can be seen that construction efficiency greatly improved after using the tensioning platform of the utility model, contract
The short construction period saves labour, saves manufacturing cost, there is very high economic value.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of prestressed stretch-draw platform characterized by comprising for the stretch-draw jack (1) of steel strand tension, manual calabash
Reed (2), supporting beam (4), steel stand (5) and coaster (6),
The steel stand (5) is located at the stretch-draw jack (1) front end, and the steel stand (5) can be moved all around, institute
It states supporting beam (4) one end to be flexibly connected with the steel stand (5), the other end of the supporting beam (4) is supported on hollow slab girder
(100) on, wherein bottle gouard moved by hands (2) upper end is connected to the coaster (6), and the coaster (6) is slidably mounted on the branch
It supports on beam (4), for adjusting the position of the bottle gouard moved by hands (2) and stretch-draw jack (1).
2. prestressed stretch-draw platform according to claim 1, which is characterized in that be equipped with and open in the middle part of the steel stand (5)
It draws workbench (53).
3. prestressed stretch-draw platform according to claim 1, which is characterized in that the steel stand (5) further includes multiple ten thousand
To wheel (54), wherein multiple universal wheels (54) are mounted on the bottom of the steel stand (5).
4. prestressed stretch-draw platform according to claim 1, which is characterized in that the supporting beam (4) includes herringbone branch
Frame (41) and pulley rail (42), wherein the herringbone (41) and the pulley rail (42) are arranged in " 7 " font,
And the herringbone (41) is fixedly connected between the two with the pulley rail (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797965.8U CN209699495U (en) | 2018-11-02 | 2018-11-02 | A kind of prestressed stretch-draw platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797965.8U CN209699495U (en) | 2018-11-02 | 2018-11-02 | A kind of prestressed stretch-draw platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209699495U true CN209699495U (en) | 2019-11-29 |
Family
ID=68636116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821797965.8U Expired - Fee Related CN209699495U (en) | 2018-11-02 | 2018-11-02 | A kind of prestressed stretch-draw platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209699495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089493A (en) * | 2021-04-19 | 2021-07-09 | 中建八局南方建设有限公司 | High pier T beam hogging moment tensioning device and tensioning method |
-
2018
- 2018-11-02 CN CN201821797965.8U patent/CN209699495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089493A (en) * | 2021-04-19 | 2021-07-09 | 中建八局南方建设有限公司 | High pier T beam hogging moment tensioning device and tensioning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20211102 |